Rueben Berry (died March 1998) was a Canadian Football League coach who served as the head coach of the Saskatchewan Roughriders from 1983 to 1984.
A graduate of Southwest Missouri State University, Berry's coaching career began as an assistant at Fort Scott Community Junior College in Fort Scott, Kansas. In 1964 he moved to Sterling College, where he remained until March 1966 when he accepted the head coaching job at Fort Scott Community Junior College. Berry's tenure as FSCJC's head coached ended before he coached a single game when three months later he resigned to join the coaching staff at Southwest Missouri State.
From 1969 to 1970, Berry was the head coach at Missouri Southern State University, where he had an overall record of 4–15–1. After leaving MSSU, Berry served as the head coach at Northeastern Oklahoma A&M College and as the defensive line coach for the BC Lions.
On August 21, 1983, Berry replaced Joe Faragalli as head coach of the Saskatchewan Roughriders after a 1–5 start. The Roughriders finished last in the West Division in each of Berry's two seasons as head coach and on November 8, 1984 Berry was fired by the Roughriders.
Berry's son, Todd Berry, is the current executive director of the American Football Coaches Association.
Rueben Berry died of cancer in March 1998.